ef473ba372
Twenty-third (final) pass: _safe_enum fix applied to rust_backend.py but NOT real_zinc_plane.py other copy crashes (Z1 High), no health check endpoint silent failures invisible to orchestration (Z5 High), process_intent calls venue.submit without exception handler venue error bypasses Rust FSM (Z6 High), snapshot mixes Rust and Python accounting capital can diverge (Z7 Medium), BingxVenueAdapter.close executor null-to-shutdown TOCTOU race (Z8 Medium), generated test f-string chr(34) template SyntaxError risk on old Python (Z9 Medium), launcher uses Python 3.10+ | union syntax no min version documented (Z10 Medium), concurrent process_intent on same slot no lock no queue (Z12 Medium). 403 total flaws across 23 passes. Co-authored-by: CommandCodeBot <noreply@commandcode.ai>